CONTINUOUS INTERNET TELEMETRY24H DRIFT3,212 material changesacross 2,793 domains · -186 vs yesterdayDNS DRIFT23 domains changed DNS providertop destination digicertdns.com + digicertdns.net · -4 vs yesterdayEMAIL DRIFT5 domains switched email providertop destination 365cool.com · -1 vs yesterdayCERT DRIFT8 domains switched issuing CA24h · +1 vs yesterdayNOW3,311 curated domains not answering-6,407 vs yesterdayERRORS10,961 responded with an errorlast probe · 5xx / 404 / 429 / 40324H DRIFT3,212 material changesacross 2,793 domains · -186 vs yesterdayDNS DRIFT23 domains changed DNS providertop destination digicertdns.com + digicertdns.net · -4 vs yesterdayEMAIL DRIFT5 domains switched email providertop destination 365cool.com · -1 vs yesterdayCERT DRIFT8 domains switched issuing CA24h · +1 vs yesterdayNOW3,311 curated domains not answering-6,407 vs yesterdayERRORS10,961 responded with an errorlast probe · 5xx / 404 / 429 / 403

oppenheimer.com

Observed 2026-07-12T18:40:50.417Z (12h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now
Runs onCloudflare
Email byProofpoint
Registered withCSC Corporate Domains, Inc.
IPv6 · consulting
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat oppenheimer.com actually stands on - every host below is a signed observation
oppenheimer.com
A / AAAA
172.66.0.119162.159.140.1212a06:98c1:58::772606:4700:7::77
Cloudflareserves the site
NS
ns-4.opco.comns-5.opco.com
opco.comanswers its DNS
MX
mxb-00407301.gslb.pphosted.commxa-00407301.gslb.pphosted.com
Proofpointreceives its email

HTTPS probe

ok Responding normally (2xx) 200 OK
HTTP status200
Servercloudflare
TLS protocolHTTP/2
TLS issuernot observed
Behind Cloudflareyes
Response time470 ms
DNS resolutionNOERROR

Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".

DNS Records

A 2

  • 172.66.0.119
  • 162.159.140.121

AAAA 2

  • 2a06:98c1:58::77
  • 2606:4700:7::77

MX 2

  • 10mxb-00407301.gslb.pphosted.com
  • 10mxa-00407301.gslb.pphosted.com

TXT 2

  • MS=ms57213345
  • v=spf1 mx include:spf.messagelabs.com ip4:209.127.49.158 ip4:209.127.49.159 ip4:209.127.49.166 ip4:209.127.49.167 -all

NS 2

  • ns-4.opco.com
  • ns-5.opco.com

SOA 1

  • ns-4.opco.com please_set_email.absolutely.nowhere

TLS Certificates (0)

None.

Subdomains (1)

The proof

Signed at scan time. Check the math yourself. Every line above is part of one signed observation. Re-hash it and check the Ed25519 signature in your own browser; nothing leaves your machine.

Verify this receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for oppenheimer.com. It updates itself. It attests a signed observation - not that the site is safe.

DomainDrift signed-observation badge for oppenheimer.com <a href="https://domaindrift.io/t/oppenheimer.com"> <img src="https://domaindrift.io/badge/oppenheimer.com.svg" width="300" height="64" alt="DomainDrift signed observations for oppenheimer.com"> </a>

Ed25519 Receipt

Receipt ID
899a6c04-dcda-4294-8c69-d993ebb25a9e
Output Hash
40cb60f7820b2ae5e7387f854027cde54f99d1a2a771bfec68b0bf58d72c045c
Signature
ed25519:ce65327049e933b78052d62c90050d0e6e12fb5b9ebae0fde89c76d1f20195147c5e8398d026a3a6338b7083673d0f8c69240264931f795087af051fd6152b08
Public Key
ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent
(genesis)
Plane
fast
Verify this in your browser